000 00287nam a2200109Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aTRIVEDI, P R
245 0 _aENVIRONMENT AND NATURAL RESOURCES CONSERVATION
260 _aDELHI
_bCOMMON WEALTH PUB
_c1994
300 _a293
942 _2ddc
999 _c60045
_d60045